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Rails Migration: Remove constraint

I have a table in a Rails application which (in schema.rb) looks like: 2 Answers 2 ...
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How to remove selected commit log entries from a Git repository while keeping their changes?

... git-rebase(1) does exactly that. $ git rebase -i HEAD~5 git awsom>mem>-ness [git rebase --interactive] contains an example. Don't use git-rebase on public (remote) commits. Make sure your working directory is clean (commit or stash your current changes). Run the above command. It launches y...
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What breaking changes are introduced in C++11?

I know that at least one of the changes in C++11 that will cause som>mem> old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
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Making interface implem>mem>ntations async

I’m currently trying to make my application using som>mem> Async m>mem>thods. All my IO is done through explicit implem>mem>ntations of an interface and I am a bit confused about how to make the operations async. ...
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How can I tell which hom>mem>brew formulae are upgradable?

I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several tim>mem>s without running brew upgrade , how do I get a list of all apps that could be upgraded? ...
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Java Mouse Event Right Click

On my three button mouse MouseEvent.BUTTON2 = Middle Click and MouseEvent.BUTTON3 = Right Click. 3 Answers ...
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How to set std::tuple elem>mem>nt by index?

One can get an elem>mem>nt from std::tuple by index using std::get . Analogically, how to set tuple's elem>mem>nt by index? 2 ...
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Removing ul indentation with CSS

I cannot seem to remove the indent from my unordered list when long lines in my list wrap around. Here is what my list looks like: ...
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MySQL load NULL values from CSV data

I have a file that can contain from 3 to 4 columns of num>mem>rical values which are separated by comma. Empty fields are defined with the exception when they are at the end of the row: ...
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Bare asterisk in function argum>mem>nts?

What does a bare asterisk in the argum>mem>nts of a function do? 6 Answers 6 ...